Home / 98,411.74-147,641.04-31,851.87

Finding the Fourth Proportional to 98,411.74, 147,641.04 and 31,851.87

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Solution

The fourth proportional to 98,411.74, 147,641.04 and 31,851.87 is: 47,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,411.74 : 147,641.04 = 31,851.87 : x
  2. Step 2: Convert to fraction form
    98,411.74/147,641.04 = 31,851.87/x
  3. Step 3: Cross multiply
    98,411.74x = 147,641.04 × 31,851.87
  4. Step 4: Simplify right side
    98,411.74x = 4,702,642,659.09
  5. Step 5: Solve for x
    x = 4,702,642,659.09/98,411.74
  6. Step 6: Final answer
    x = 47,785.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.